MESON Chess Problem Database
Problem Display
PID: 174026 (2KR4/8/6B1/8/3N4/4R1N1/2pkp3/3b2B1 w - - 0 1)
Bottacchi, Antonio
L'Illustrazione Italiana, 1920
#2
7 + 4
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Ke1
- 2.Sf3#
- 1...c1Q+
- 2.Sc2#
- 1...c1S
- 2.Sf3#
- 1...c1B
- 2.Sc2#
- 2.Sf3#
- 1...c1R+
- 2.Sc2#
- 1...e1Q
- 2.Sde2#
- 2.Sb3#
- 1...e1S
- 2.Sb3#
- 1...e1B
- 2.Sde2#
- 2.Sb3#
- 1...e1R
- 2.Sde2#
- 2.Sb3#
- 1...Ke1
- Tries
- 1.Kb7?
- 1...Ke1
- 2.Sf3#
- 1...c1Q
- 2.Sc2#
- 2.Sf3#
- 1...c1S
- 2.Sf3#
- 1...c1B
- 2.Sc2#
- 2.Sf3#
- 1...c1R
- 2.Sc2#
- 2.Sf3#
- 1...e1Q
- 2.Sde2#
- 2.Sb3#
- 1...e1S
- 2.Sb3#
- 1...e1B
- 2.Sde2#
- 2.Sb3#
- 1...e1R
- 2.Sde2#
- 2.Sb3#
- 1...Kc1!
- 1...Ke1
- 1.Kc7?
- 1...c1Q+
- 2.Sc2#
- 1...c1R+
- 2.Sc2#
- 1...Ke1
- 2.Sf3#
- 1...c1S
- 2.Sf3#
- 1...c1B
- 2.Sc2#
- 2.Sf3#
- 1...e1Q
- 2.Sde2#
- 2.Sb3#
- 1...e1S
- 2.Sb3#
- 1...e1B
- 2.Sde2#
- 2.Sb3#
- 1...e1R
- 2.Sde2#
- 2.Sb3#
- 1...Kc1!
- 1...c1Q+
- 1.Kd7?
- 1...Ke1
- 2.Sf3#
- 1...c1Q
- 2.Sf3#
- 1...c1S
- 2.Sf3#
- 1...c1B
- 2.Sf3#
- 1...c1R
- 2.Sf3#
- 1...e1Q
- 2.Sb3#
- 1...e1S
- 2.Sb3#
- 1...e1B
- 2.Sb3#
- 1...e1R
- 2.Sb3#
- 1...Kc1!
- 1...Ke1
- 1.Kb8?
- 1...Ke1
- 2.Sf3#
- 1...c1Q
- 2.Sc2#
- 2.Sf3#
- 1...c1S
- 2.Sf3#
- 1...c1B
- 2.Sc2#
- 2.Sf3#
- 1...c1R
- 2.Sc2#
- 2.Sf3#
- 1...e1Q
- 2.Sde2#
- 2.Sb3#
- 1...e1S
- 2.Sb3#
- 1...e1B
- 2.Sde2#
- 2.Sb3#
- 1...e1R
- 2.Sde2#
- 2.Sb3#
- 1...Kc1!
- 1...Ke1
- 1.Bf2?
- threat
- 2.Sdxe2#
- 2.Sb3#
- 1...c1Q+
- 2.Sc2#
- 2.Sc6#
- 1...c1R+
- 2.Sc2#
- 2.Sc6#
- 1...c1S
- 2.Se4#
- 2.Sb3#
- 2.Sf3#
- 1...e1Q
- 2.Sde2#
- 2.Sb3#
- 1...e1S
- 2.Sb3#
- 1...e1B
- 2.Sde2#
- 2.Sb3#
- 1...e1R
- 2.Sde2#
- 2.Sb3#
- 1...Kc1!
- threat
- 1.Be4?
- 1...c1Q+
- 2.Sc2#
- 1...c1R+
- 2.Sc2#
- 1...Ke1
- 2.Sf3#
- 1...c1S
- 2.Sf3#
- 1...c1B
- 2.Sc2#
- 2.Sf3#
- 1...e1Q
- 2.Sde2#
- 2.Sb3#
- 1...e1S
- 2.Sb3#
- 1...e1B
- 2.Sde2#
- 2.Sb3#
- 1...e1R
- 2.Sde2#
- 2.Sb3#
- 1...Kc1!
- 1...c1Q+
- 1.Bf5?
- 1...c1Q+
- 2.Sc2#
- 1...c1R+
- 2.Sc2#
- 1...Ke1
- 2.Sf3#
- 1...c1S
- 2.Sf3#
- 1...c1B
- 2.Sc2#
- 2.Sf3#
- 1...e1Q
- 2.Sde2#
- 2.Sb3#
- 1...e1S
- 2.Sb3#
- 1...e1B
- 2.Sde2#
- 2.Sb3#
- 1...e1R
- 2.Sde2#
- 2.Sb3#
- 1...Kc1!
- 1...c1Q+
- 1.Bh7?
- 1...c1Q+
- 2.Sc2#
- 1...c1R+
- 2.Sc2#
- 1...Ke1
- 2.Sf3#
- 1...c1S
- 2.Sf3#
- 1...c1B
- 2.Sc2#
- 2.Sf3#
- 1...e1Q
- 2.Sde2#
- 2.Sb3#
- 1...e1S
- 2.Sb3#
- 1...e1B
- 2.Sde2#
- 2.Sb3#
- 1...e1R
- 2.Sde2#
- 2.Sb3#
- 1...Kc1!
- 1...c1Q+
- 1.Ra3?
- 1...c1Q+
- 2.Sc2#
- 1...c1R+
- 2.Sc2#
- 1...Ke1
- 2.Sf3#
- 1...c1S
- 2.Sf3#
- 1...c1B
- 2.Sc2#
- 2.Sf3#
- 1...e1Q
- 2.Sde2#
- 1...e1S
- 2.Be3#
- 1...e1B
- 2.Sde2#
- 2.Be3#
- 1...e1R
- 2.Sde2#
- 1...Kc1!
- 1...c1Q+
- 1.Rd3+?
- 1...Ke1
- 2.Sf3#
- 1...Kc1!
- 1...Ke1
- 1.Rd5?
- 1...c1Q+
- 2.Sc2#
- 1...c1R+
- 2.Sc2#
- 1...Ke1
- 2.Sf3#
- 1...c1S
- 2.Sf3#
- 1...c1B
- 2.Sc2#
- 2.Sf3#
- 1...e1Q
- 2.Sde2#
- 2.Sb3#
- 1...e1S
- 2.Sb3#
- 1...e1B
- 2.Sde2#
- 2.Sb3#
- 1...e1R
- 2.Sde2#
- 2.Sb3#
- 1...Kc1!
- 1...c1Q+
- 1.Rd6?
- 1...c1Q+
- 2.Sc2#
- 1...c1R+
- 2.Sc2#
- 1...Ke1
- 2.Sf3#
- 1...c1S
- 2.Sf3#
- 1...c1B
- 2.Sc2#
- 2.Sf3#
- 1...e1Q
- 2.Sde2#
- 2.Sb3#
- 1...e1S
- 2.Sb3#
- 1...e1B
- 2.Sde2#
- 2.Sb3#
- 1...e1R
- 2.Sde2#
- 2.Sb3#
- 1...Kc1!
- 1...c1Q+
- 1.Rd7?
- 1...c1Q+
- 2.Sc2#
- 1...c1R+
- 2.Sc2#
- 1...Ke1
- 2.Sf3#
- 1...c1S
- 2.Sf3#
- 1...c1B
- 2.Sc2#
- 2.Sf3#
- 1...e1Q
- 2.Sde2#
- 2.Sb3#
- 1...e1S
- 2.Sb3#
- 1...e1B
- 2.Sde2#
- 2.Sb3#
- 1...e1R
- 2.Sde2#
- 2.Sb3#
- 1...Kc1!
- 1...c1Q+
- 1.Kb7?
- Keys
- 1.Rb3!
- 1...c1Q+
- 2.Sc2#
- 1...c1R+
- 2.Sc2#
- 1...Kc1
- 2.Be3#
- 1...Ke1
- 2.Sf3#
- 1...c1S
- 2.Sf3#
- 1...c1B
- 2.Sc2#
- 2.Sf3#
- 1...e1Q
- 2.Sde2#
- 1...e1S
- 2.Be3#
- 1...e1B
- 2.Sde2#
- 2.Be3#
- 1...e1R
- 2.Sde2#
- 1...c1Q+
- 1.Rb3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- K(c);P_SPINP(d),S_FLIGHT::S(D)
- P(b);CHECK,SBLOCK::R(G)+S(D)
- P(b);SBLOCK::R(G)+S(D),DCHECK
- P(d);::R(G)+S(D),DCHECK
- Tries
- Try
- K(F);S_FLIGHT
- Vars
- K(c);P_SPINP(d),S_FLIGHT::S(D)
- P(b);SBLOCK::R(G)+S(D),DCHECK
- P(d);::R(G)+S(D),DCHECK
- Refutation
- K(c);S_FLIGHT
- Try
- K(F);P-FLIGHT
- Vars
- P(b);CHECK,SBLOCK::R(G)+S(D)
- K(c);P_SPINP(d),S_FLIGHT::S(D)
- P(b);SBLOCK::R(G)+S(D),DCHECK
- P(d);::R(G)+S(D),DCHECK
- Refutation
- K(c);S_FLIGHT
- Try
- K(F);S_FLIGHT
- Vars
- K(c);P_SPINP(d),S_FLIGHT::S(D)
- P(b);SBLOCK::S(D)
- P(d);::S(D)
- Refutation
- K(c);S_FLIGHT
- Try
- K(F);P-FLIGHT
- Vars
- K(c);P_SPINP(d),S_FLIGHT::S(D)
- P(b);SBLOCK::R(G)+S(D),DCHECK
- P(d);::R(G)+S(D),DCHECK
- Refutation
- K(c);S_FLIGHT
- Try
- B(A);
- Threat
- DUALS(2)
- Vars
- P(d);::R(G)+S(D),DCHECK
- Refutation
- K(c);S_FLIGHT
- Try
- B(E);
- Vars
- P(b);CHECK,SBLOCK::R(G)+S(D)
- K(c);P_SPINP(d),S_FLIGHT::S(D)
- P(b);SBLOCK::R(G)+S(D),DCHECK
- P(d);::R(G)+S(D),DCHECK
- Refutation
- K(c);S_FLIGHT
- Try
- B(E);
- Vars
- P(b);CHECK,SBLOCK::R(G)+S(D)
- K(c);P_SPINP(d),S_FLIGHT::S(D)
- P(b);SBLOCK::R(G)+S(D),DCHECK
- P(d);::R(G)+S(D),DCHECK
- Refutation
- K(c);S_FLIGHT
- Try
- B(E);
- Vars
- P(b);CHECK,SBLOCK::R(G)+S(D)
- K(c);P_SPINP(d),S_FLIGHT::S(D)
- P(b);SBLOCK::R(G)+S(D),DCHECK
- P(d);::R(G)+S(D),DCHECK
- Refutation
- K(c);S_FLIGHT
- Try
- R(B);
- Vars
- P(b);CHECK,SBLOCK::R(G)+S(D)
- K(c);S_FLIGHT::S(D)
- P(b);SBLOCK::R(G)+S(D),DCHECK
- P(d);SBLOCK::R(G)+S(D)
- P(d);SBLOCK::B(A)
- Refutation
- K(c);S_FLIGHT
- Try
- R(B);CHECK
- Vars
- K(c);S_FLIGHT::S(D)
- Refutation
- K(c);S_FLIGHT
- Try
- R(G);
- Vars
- P(b);CHECK,SBLOCK::R(G)+S(D)
- K(c);P_SPINP(d),S_FLIGHT::S(D)
- P(b);SBLOCK::R(G)+S(D),DCHECK
- P(d);::R(G)+S(D),DCHECK
- Refutation
- K(c);S_FLIGHT
- Try
- R(G);
- Vars
- P(b);CHECK,SBLOCK::R(G)+S(D)
- K(c);P_SPINP(d),S_FLIGHT::S(D)
- P(b);SBLOCK::R(G)+S(D),DCHECK
- P(d);::R(G)+S(D),DCHECK
- Refutation
- K(c);S_FLIGHT
- Try
- R(G);
- Vars
- P(b);CHECK,SBLOCK::R(G)+S(D)
- K(c);P_SPINP(d),S_FLIGHT::S(D)
- P(b);SBLOCK::R(G)+S(D),DCHECK
- P(d);::R(G)+S(D),DCHECK
- Refutation
- K(c);S_FLIGHT
- Try
- Actual
- R(B);
- Vars
- P(b);CHECK,SBLOCK::R(G)+S(D)
- K(c);S_FLIGHT::B(A)
- K(c);S_FLIGHT::S(D)
- P(b);SBLOCK::R(G)+S(D),DCHECK
- P(d);SBLOCK::R(G)+S(D)
- P(d);SBLOCK::B(A)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).